Diagenesis, plagioclase dissolution and preservation of porosity in Eocene and Oligocene sandstones at the Greeley oil field, southern San Joaquin basin, California, USA
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Published:January 01, 2018
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CiteCitation
D. T. Nguyen, R. A. Horton, Jr, A. B. Kaess, 2018. "Diagenesis, plagioclase dissolution and preservation of porosity in Eocene and Oligocene sandstones at the Greeley oil field, southern San Joaquin basin, California, USA", Reservoir Quality of Clastic and Carbonate Rocks: Analysis, Modelling and Prediction, P. J. Armitage, A. R. Butcher, J.M. Churchill, A.E. Csoma, C. Hollis, R. H. Lander, J. E. Omma, R. H. Worden
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Abstract:
The Vedder (Oligocene) and Kreyenhagen (Eocene) sandstones at the Greeley oil field consist of arkosic to subarkosic arenites and wackes deposited in shallow marine environments. Burial depths of the Vedder sandstones exceed 3150 m and the reservoir temperature is 124°C. The Kreyenhagen sandstones are buried to greater than 3920 m and the reservoir temperature is estimated to be c. 135°C. These sandstones are currently at or very near their deepest burial depths.
The textural relationships of the diagenetic minerals suggest syndepositional formation of glauconite, phosphate and pyrite, followed by early precipitation of pore-lining clay coatings and carbonate cements along...
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Contents
Reservoir Quality of Clastic and Carbonate Rocks: Analysis, Modelling and Prediction
CONTAINS OPEN ACCESS
GeoRef
- albite
- albitization
- alkali feldspar
- aluminum
- anhydrite
- arenite
- arkose
- authigenic minerals
- barite
- burial
- California
- carbonates
- cement
- cementation
- Cenozoic
- clastic rocks
- clay minerals
- compaction
- depth
- detritus
- diagenesis
- electron microscopy data
- Eocene
- feldspar group
- fluid flow
- fracturing
- framework silicates
- glauconite
- hydrocarbons
- K-feldspar
- kaolinite
- Kern County California
- late diagenesis
- mass transfer
- metals
- metasomatism
- mica group
- migration
- mineral assemblages
- Oligocene
- organic compounds
- overgrowths
- oxides
- Paleogene
- paragenesis
- petrography
- phosphates
- plagioclase
- porosity
- precipitation
- pyrite
- quartz
- reservoir properties
- reservoir rocks
- rutile
- San Joaquin Basin
- sandstone
- secondary porosity
- sedimentary rocks
- SEM data
- sheet silicates
- silica minerals
- silicates
- solution
- subarkose
- sulfates
- sulfides
- temperature
- Tertiary
- textures
- thin sections
- United States
- Vedder Formation
- Kreyenhagen Formation
- Greeley Field
- pseudomatrix